Home / 10,620.57-15,921.54-4,042.38

Finding the Fourth Proportional to 10,620.57, 15,921.54 and 4,042.38

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Solution

The fourth proportional to 10,620.57, 15,921.54 and 4,042.38 is: 6,060.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.57 : 15,921.54 = 4,042.38 : x
  2. Step 2: Convert to fraction form
    10,620.57/15,921.54 = 4,042.38/x
  3. Step 3: Cross multiply
    10,620.57x = 15,921.54 × 4,042.38
  4. Step 4: Simplify right side
    10,620.57x = 64,360,914.87
  5. Step 5: Solve for x
    x = 64,360,914.87/10,620.57
  6. Step 6: Final answer
    x = 6,060.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.